Prove that n3+2n^3 + 2n3+2 is not divisible by 8 for any integer nnn.
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Markscheme
1.5.6 Polynomials and rational expressions Questions
113 exam-style questions on AQA A Level Maths 1.5.6 Polynomials and rational expressions. Each one has a worked solution and a mark scheme showing where the marks go.